Question
Question: The value of a for which equation ln (alnx) = lnx has a solution is –...
The value of a for which equation ln (alnx) = lnx has a
solution is –
A
e
B
1/e
C
e2
D
e3
Answer
e
Explanation
Solution
\ ln x =ax
The line y =ax is tangent to y = lnx at x = a for a = e.